Valve-stem cap



BLE; ET AL VALVE STEM CAP Filed 0 8. 1920 E m "a A. V I a 9 Patented Apr. 8, 1924. I I,

UNITED STATES PATENT OFFICE BUR-R STRUBLE AND HAROLD Gr. RICE, OF PORTLAND, OREGON.

VALVE-STEM CAP.

Application filed October 8, 1920. Serial No. 415,632.

To all whom it may concern: 4 end of the neck 2. Clearly, the structure de- Be it known that we, BURR STRUBLE and scribed aflords a secure connection between HAROLD G. RICE, citizens of the United the cap and the nut, it being possible, never- States, residing at Portland, in the county of theless to detach the cap Without difliculty. 5 Multnomah, State of Oregon, have invented I11 Figure 4, parts hereinbefore described a new and useful Valve-Stem Cap, of which are designated by numerals previously used the following is a specification. with the suflix a. The modification con- It is the object of this invention to provide sists in forming the bayonet slots 3 in the a simple means whereby a valve cap may be end of the cap 4*, the studs 7 being mounted 19 held on a nut of the kind used to hold a in the neck 2 of the nut 1 valve stem on the rim of a vehicle wheel, In Figure 5, the nut appears at 8 and has the object in View being so to connect the a neck 9, there being an internal shoulder 10 cap with the nut that the cap may be deat the inner end of the neck. The cap 11 is tached more readily than is possible when, received within the neck 9 and has bayonet as is the custom, the cap is threaded on the slots l2'receiving studs 14 on the neck 9 of neck of the nut. the nut 8.

Within the scope of What is claimed, What is claimed is changes may be made in the forms herein- In a device of the class described, a tubuafter described without departing from (he lar nut having an internal shoulder, and a 20 spirit of the invention. bore of common diameter from end to end In the drawings :F igure 1 shows in side located outwardly of the shoulder, a com elevation, a device constructed in accord pression spring within thenut and supportance with the invention; Figure 2 is an eleed on the shoulder, a cap having a cylindrivation of the nut; Figure 3 is a longitudinal cal end of common diameter, said end of the sect-ion; Figure 4 is a side elevation showing cap extending into the bore of the nut and a modification; Figure 5 is a fragmental lonfitting closely in the bore, the cap compressgitudinal section showing another modificaing the spring, and the cap being provided tion. in its inner end with a bayonet slot; and a In Figures 1, 2 and 3 the numeral 1 destud projecting from'the nut into the in- 30 not-es a nut of the sort which is threaded on terior thereof, the studs being located interthe valve stem of a pneumatic tire and bears mediate the ends of the'bore and being rcagainst the inner curve of the wheel rim. ceived in the bayonet slot, the stud over- The nut has a neck 2 provided with bayohanging the spring to retain the spring in net slots 3. The neck 2 is received within a the nut when the cap is detached from the 35 cap 4 having a shoulder 5, the cap being prostud, the bayonet slot being housed comvided with studs 7 received in the bayonet pletely in the nut when the stud is engaged slots 3. The lateral branches 24 of the bayowith the bayonet slot. 7 net slots 3 have seats 25 extended parallel In testimony that we claim the foregoing to the main portions of the bayonet slots, as our own, we have hereto aflixed our signa- 40 and in the seats 25, the studs 7 are received, tures.

and held under; the action of a compression spring 6 located within the cap 4 and exert- BURR STRUBLE. ing a thrustagainst the shoulder 5 and the HAROLD G. RICE. 

